export declare class LastFrameCanvasAPI {
	rootElement: HTMLCanvasElement;
	canvasImgSrc?: CanvasImageSource;
	private _prevSizeId;
	constructor();
	clear(): void;
	isImageDrawn(): boolean;
	destroy(): void;
	show(): void;
	hide(): void;
	setCanvasImageSource(canvasImgSrc: CanvasImageSource): void;
	draw(): void;
	updateCanvasDimensions(dimensions: {
		width: number;
		height: number;
	}, shouldSave?: boolean): Promise<void>;
	save(): Promise<HTMLImageElement>;
	restore(imgEl: HTMLImageElement): void;
}